A nuclear reactor will resume operation Tuesday for the first time in northeastern Japan, an area affected by the 2011 earthquake, tsunami, and nuclear disaster. The planned restart of the Onagawa nuclear power plant’s No. 2 unit in Miyagi Prefecture also marks the first time that a boiling water reactor — the same type as the Fukushima Daiichi reactors that suffered fuel meltdowns during the nuclear crisis — was brought online since the 2011 disaster. The Onagawa reactor, operated by Tohoku Electric Power Co., cleared safety screening in February 2020 under tougher post-Fukushima crisis saf…